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Finding the Fourth Proportional to 11,229.75, 15,498.08 and 6,753.39

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Solution

The fourth proportional to 11,229.75, 15,498.08 and 6,753.39 is: 9,320.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.75 : 15,498.08 = 6,753.39 : x
  2. Step 2: Convert to fraction form
    11,229.75/15,498.08 = 6,753.39/x
  3. Step 3: Cross multiply
    11,229.75x = 15,498.08 × 6,753.39
  4. Step 4: Simplify right side
    11,229.75x = 104,664,544.72
  5. Step 5: Solve for x
    x = 104,664,544.72/11,229.75
  6. Step 6: Final answer
    x = 9,320.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.